[ { "issues": [ { "description": { "head": "The contract delegates execution to another contract with a user-supplied address.", "tail": "The smart contract delegates execution to a user-supplied address. Note that callers can execute arbitrary contracts and that the callee contract can access the storage of the calling contract. " }, "extra": { "discoveryTime": "", "testCase": "" }, "locations": [ { "sourceMap": "849:1:0" } ], "severity": "Medium", "swcID": "SWC-112", "swcTitle": "Delegatecall to Untrusted Callee" }, { "description": { "head": "Use of callcode is deprecated.", "tail": "The callcode method executes code of another contract in the context of the caller account. Due to a bug in the implementation it does not persist sender and value over the call. It was therefore deprecated and may be removed in the future. Use the delegatecall method instead." }, "extra": { "discoveryTime": "", "testCase": "" }, "locations": [ { "sourceMap": "618:1:0" } ], "severity": "Medium", "swcID": "SWC-111", "swcTitle": "Use of Deprecated Solidity Functions" }, { "description": { "head": "A call to a user-supplied address is executed.", "tail": "The callee address of an external message call can be set by the caller. Note that the callee can contain arbitrary code and may re-enter any function in this contract. Review the business logic carefully to prevent averse effects on the contract state." }, "extra": { "discoveryTime": "", "testCase": "" }, "locations": [ { "sourceMap": "1038:1:0" } ], "severity": "Medium", "swcID": "SWC-107", "swcTitle": "Reentrancy" }, { "description": { "head": "The return value of a message call is not checked.", "tail": "External calls return a boolean value. If the callee contract halts with an exception, 'false' is returned and execution continues in the caller. It is usually recommended to wrap external calls into a require statement to prevent unexpected states." }, "extra": { "discoveryTime": "", "testCase": "" }, "locations": [ { "sourceMap": "618:1:0" } ], "severity": "Low", "swcID": "SWC-104", "swcTitle": "Unchecked Call Return Value" }, { "description": { "head": "The return value of a message call is not checked.", "tail": "External calls return a boolean value. If the callee contract halts with an exception, 'false' is returned and execution continues in the caller. It is usually recommended to wrap external calls into a require statement to prevent unexpected states." }, "extra": { "discoveryTime": "", "testCase": "" }, "locations": [ { "sourceMap": "849:1:0" } ], "severity": "Low", "swcID": "SWC-104", "swcTitle": "Unchecked Call Return Value" }, { "description": { "head": "The return value of a message call is not checked.", "tail": "External calls return a boolean value. If the callee contract halts with an exception, 'false' is returned and execution continues in the caller. It is usually recommended to wrap external calls into a require statement to prevent unexpected states." }, "extra": { "discoveryTime": "", "testCase": "" }, "locations": [ { "sourceMap": "1038:1:0" } ], "severity": "Low", "swcID": "SWC-104", "swcTitle": "Unchecked Call Return Value" } ], "meta": {}, "sourceFormat": "evm-byzantium-bytecode", "sourceList": [ "0x6daec61d05d8f1210661e7e7d1ed6d72bd6ade639398fac1e867aff50abfc1c1" ], "sourceType": "raw-bytecode" } ]